Option “3” is correct. Victoria Falls, or Mosi-oa-Tunya is a waterfall in southern Africa on the Zambezi River at the border between Zambia and Zimbabwe.
Option “2” is correct. The Mariana Trench or Marianas Trench is the deepest part of the world’s oceans. It is located in the western Pacific Ocean, an average of 200 kilometres (124 mi) to the east of the Mariana Islands, in the Western Pacific East of Philippines.
Option “2” is correct. A hanging valley can be formed when the lower valley has a greater rate of erosion. This can be cause by 2 glacier flows, one feeding the other.
404. In terms of area, India is the ………. largest country of the world.
1. Second
2. Fourth
3. Sixth
4. Seventh
Option “4” is correct. India is the seventh largest country on the basis of land area of 32,87,263 sq.km.
405. India exports iron ore mainly to-
1. Japan
2. Bhutan
3. Indonesia
4. Russia
Option “1” is correct. India is the fifth largest exporter of iron ore in the world. We export about 50 to 60 per cent of our total iron ore production to countries like Japan, Korea, European countries and lately to Gulf countries. Japan is the biggest buyer of Indian iron ore accounting for about three-fourths of our total exports.
406. Sea breeze is formed during-
1. Day time
2. Night time
3. Both
4. Seasonal
Option “1” is correct. During the day, the land surface heats up faster than the water surface. The air above the land is warmer than the air above the ocean. As the warm air over the land is rising, the cooler air over the ocean is flowing over the land surface to replace the rising warm air. This is the sea breeze.
407. The ‘Pacific Ring of Fire’ is associated with-
1. Oil well fires
2. Thermal power station
3. Volcanoes and earthquakes
4. Forest fires
Option “3” is correct. The Ring of Fire is a major area in the basin of the Pacific Ocean where a large number of earthquakes and volcanic eruptions occur. It is associated with a nearly continuous series of oceanic trenches, volcanic arcs, and volcanic belts and/or plate movements.
408. Which is the closest star to our solar system?
Option “1” is correct. Alpha centauri is the closest star to our solar system.
409. Which planet is known as red planet?
1. Mercury
2. Pluto
3. Mars
4. Venus
Option “3” is correct. Mars is known as Red planet.
410. The number of biogeographical zones in India are –
1. 2
2. 10
3. 5
4. 6
Option “3” is correct. Biogeographic classification of India is the division of India according to biogeographic characteristics. There are ten biogeographic zones in India.
